#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <fenv.h>
#include <float.h>
#include <inttypes.h>
#include <iso646.h>
#include <limits.h>
#include <locale.h>
#include <math.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <tgmath.h>
#include <time.h>
#include <uchar.h>
#include <wchar.h>
#include <wctype.h>

// LIB FROM $HOME/start/communis/Deploy_store/.qa/main_repo_fn/dir_c_/_c_/_lib
#include "lib/lc_0.h"
#include "lib/lc_1.h"
#include "lib/io_1.h"
#include "lib/lib_1.h"

#define N 6

int main(int argc, char const *argv[])
{
    // char str[] = "This is a sample string";
    char *str = "This is a sample string";
    char key[] = "aeiou";
    char *pch;
    printf("Vowels in '%s': ", str);
    // pch = strpbrk(str, key);
    pch = strpbrk(str, key);
    while (pch != NULL)
    {
        printf("%c ", *pch);
        // pch = strpbrk(pch + 1, key);
        pch = strpbrk(pch + 1, key);
    }
    printf("\n");
    return 0;
}
